List Of 2008 Lmm Duramax Engine Power Reduced No Check Engine Light Ideas. My truck is a 2008 silverado (duramax 6.6) for the past few days my truck has had a loss of power and indicates (reduced engine power) the problem is. Web 1 2 next 0 08dmaxmike · #2 · dec 8, 2008 did you reset the filter life ?.sound like you got lots o water in her.only way to fix bad fuel is to remove it not try.

I've noticed it does this when hot and won't go off. Web i dropped my trailer and drove on the freeway until it went away. How an etc system works video:
